<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>背景滚动</title>
		<style>
			div#d1{
				height: 6000px;
				width: 5000px;
				background: darkgray url(../image/mouse.gif) no-repeat;
				background-attachment: fixed;
			}
		</style>
	</head>
	<body>
		<div id="d1"></div>
	</body>
</html>